An example of a quadratic equation is 2x² + 4x + 4.

**MLA Style**

"quadratic equation." YourDictionary, n.d. Web. 11 December 2018. <https://www.yourdictionary.com/quadratic-equation>.

**APA Style**

quadratic equation. (n.d.). Retrieved December 11th, 2018, from https://www.yourdictionary.com/quadratic-equation

## quadratic equation

**MLA Style**

"quadratic equation." YourDictionary, n.d. Web. 11 December 2018. <https://www.yourdictionary.com/quadratic-equation>.

**APA Style**

quadratic equation. (n.d.). Retrieved December 11th, 2018, from https://www.yourdictionary.com/quadratic-equation

## quadratic equation

noun

*x*having the general form

*ax*0, where

^{2}+ bx + c =*a, b,*and

*c*are constants and

*a*does not equal zero; that is, the variable is squared but raised to no higher power.

**MLA Style**

"quadratic equation." YourDictionary, n.d. Web. 11 December 2018. <https://www.yourdictionary.com/quadratic-equation>.

**APA Style**

quadratic equation. (n.d.). Retrieved December 11th, 2018, from https://www.yourdictionary.com/quadratic-equation

(*plural* quadratic equations)

- (mathematics) a polynomial equation of the second degree.

**MLA Style**

**APA Style**